Al-Muwatta de Malik, 941

Ka'b Ibn Oujra a rapporté que l'Envoyé d'Allah (salallahou alayhi wa salam) (Sur lui la grâce et la paix d'Allah) a dit: «Il est probable que ces insectes te causent du mal». Je lui répondis: «Oui, Ô Envoyé d'Allah». Il réplique: «Va te raser la tête puis jeûne pour trois jours, ou donne à manger à six pauvres ou immole un mouton»

Yahya related to me from Malik from Humayd bin Qays from Mujahid Abu'l Hajjaj from Ibn Abi Layla from Kab ibn Ujra that the Messenger of Allah, may Allah bless him and grant him peace, said to him, "Perhaps your pests are troubling you?" He replied that indeed they were, and the Messenger of Allah, may Allah bless him and grant him peace, said, "Shave your head and fast three days or feed six poor men or sacrifice a sheep